Stay updated with real-time air quality in North Union Township, Pennsylvania featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
27
Good
North Union Township, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.53 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.58 μg/m³
0
55
155
255
425
605+
7.76 ppb
0
55
71
86
201
201+
0.65 ppb
0
36
76
186
605
1005+
4.74 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
North Union Township, Pennsylvania
North Union Township, Pennsylvania
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AQI 27
Good
4.53μg/m³
PM2.5
18.58μg/m³
PM10
7.76ppb
O3
0.65ppb
SO2
4.74ppb
NO2
0.28ppm
CO
AQI 27
Good
4.56μg/m³
PM2.5
19.65μg/m³
PM10
5.74ppb
O3
0.71ppb
SO2
4.93ppb
NO2
0.28ppm
CO
AQI 27
Good
4.79μg/m³
PM2.5
19.25μg/m³
PM10
12.58ppb
O3
0.69ppb
SO2
5.19ppb
NO2
0.28ppm
CO
AQI 33
Good
6.29μg/m³
PM2.5
27.72μg/m³
PM10
5.87ppb
O3
0.80ppb
SO2
5.12ppb
NO2
0.26ppm
CO
AQI 27
Good
4.74μg/m³
PM2.5
18.75μg/m³
PM10
13.64ppb
O3
0.68ppb
SO2
5.22ppb
NO2
0.28ppm
CO
AQI 33
Good
6.26μg/m³
PM2.5
27.31μg/m³
PM10
5.14ppb
O3
0.83ppb
SO2
5.19ppb
NO2
0.26ppm
CO
Air quality and pollutant data for Pennsylvania, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for North Union Township, Pennsylvania is updated every hour for accuracy.
In the past 24 hours, the air quality in North Union Township, Pennsylvania was at its worst at 12:00:00 on 2026-09-06.
In the last 24 hours, the best air quality in North Union Township, Pennsylvania was observed at 03:00:00 on 2026-09-07.
As of now, the AQI in North Union Township, Pennsylvania is 27, indicating Good conditions.
North Union Township, Pennsylvania air has the highest levels of PM2.5.
Poor air quality in North Union Township, Pennsylvania means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in North Union Township, Pennsylvania are currently 4.533 μg/m3.
The PM10 concentration in North Union Township, Pennsylvania is 18.577 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in North Union Township, Pennsylvania is 0.279 ppm.
Currently, North Union Township, Pennsylvania has a sulfur dioxide (SO2) concentration of 0.647 ppb.
The current ozone (O3) level in North Union Township, Pennsylvania at the moment is 7.764 ppm.
Nitrogen dioxide (NO2) level in North Union Township, Pennsylvania at the moment is 4.74 ppb.
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